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444.0 Aluminum vs. EN 1.4526 Stainless Steel

444.0 aluminum belongs to the aluminum alloys classification, while EN 1.4526 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 444.0 aluminum and the bottom bar is EN 1.4526 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
180
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 25
25
Fatigue Strength, MPa 51
230
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 190
540
Tensile Strength: Yield (Proof), MPa 83
330

Thermal Properties

Latent Heat of Fusion, J/g 500
280
Maximum Temperature: Mechanical, °C 170
880
Melting Completion (Liquidus), °C 610
1450
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 160
30
Thermal Expansion, µm/m-K 22
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.9
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1110
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
120
Resilience: Unit (Modulus of Resilience), kJ/m3 49
280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 28
19
Thermal Diffusivity, mm2/s 67
8.1
Thermal Shock Resistance, points 8.8
19

Alloy Composition

Aluminum (Al), % 90.5 to 93.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.6
77.4 to 83.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.4
Niobium (Nb), % 0
0.1 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.5 to 7.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0